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Model · OpenRouter

Anthropic/Claude Sonnet 4.5

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

Author / organizationAnthropic
AccessHosted API (no weights listed here)
Price per million tokens$3 in · $15 out
Context window1,000,000 tokens
Taskimage-text-to-text
Created29 September 2025
Last updated at source—
image-text-to-texthostedreasoningtool-use
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USD per million tokens

0510152010-1510-1610-1710-18Input · 10-15: 3Input · 10-16: 3Input · 10-17: 3Input · 10-18: 3Output · 10-15: 15Output · 10-16: 15Output · 10-17: 15Output · 10-18: 15
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Silytics shows public metadata from OpenRouter and links to the original. Information may be incomplete or out of date. Last refreshed 18 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.